Java Doc for DatabaseUtils.java in  » J2EE » jag » com » finalist » jaggenerator » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » jag » com.finalist.jaggenerator   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    com.finalist.jaggenerator.DatabaseUtils DatabaseUtils public class DatabaseUtils (Code) This class is a refactoring mid-step. The original code contained duplicate methods for database access in different classes - I've rehoused them here. author:    Michael O'Connor, Rudie Ekkelenkamp - Finalist IT Group Field Summary static  Log log      Method Summary public static  void clearCache()      This needs to be called when databases are switched. public static  void clearColumnsCacheForTable(String tableName)      Forces an update of a particular table's columns the next time they are required. public static  ArrayList getColumns(String tablename)      Gets all columns in the specified table, setting up a database connection if one isn't already available. Parameters:   tablename - the name of the table. public static  ArrayList getColumns(String tablename, boolean forceConnection)      Gets all columns in the specified table. Parameters:   tablename - the name of the table. Parameters:   forceConnection - set to true if this method should force a database connect,if not already connected. public static  List getForeignKeys(String tablename)      Gets information about any foreign keys that are imported into the specified table. public static  ArrayList getPrimaryKeys(String tablename)      A list with Strings of all primary key fields. public static  ArrayList getTables()      Grabs the list of tables from the database. Field Detail log static Log log(Code) Method Detail clearCache public static void clearCache()(Code) This needs to be called when databases are switched. clearColumnsCacheForTable public static void clearColumnsCacheForTable(String tableName)(Code) Forces an update of a particular table's columns the next time they are required. Parameters:   tableName - getColumns public static ArrayList getColumns(String tablename)(Code) Gets all columns in the specified table, setting up a database connection if one isn't already available. Parameters:   tablename - the name of the table. an ArrayList of Column objects for all columns in the specified table,or null if the table/column doesn't exist. getColumns public static ArrayList getColumns(String tablename, boolean forceConnection)(Code) Gets all columns in the specified table. Parameters:   tablename - the name of the table. Parameters:   forceConnection - set to true if this method should force a database connect,if not already connected. an ArrayList of Column objects for all columns in the specified table;or null if the table/column doesn't exist, or if no database connection was available andforceConnection was set to false. getForeignKeys public static List getForeignKeys(String tablename)(Code) Gets information about any foreign keys that are imported into the specified table. Parameters:   tablename - a List of ForeignKey objects, never null.. getPrimaryKeys public static ArrayList getPrimaryKeys(String tablename)(Code) A list with Strings of all primary key fields. Parameters:   tablename - an ArrayList of primary key column names for the specified table, never null. getTables public static ArrayList getTables()(Code) Grabs the list of tables from the database. a List of table names (String), never null. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)